Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Martha S Crisostomo

Organization Clinical Medical Laboratory · NPI 1073767620

Martha S Crisostomo is a Clinical Medical Laboratory in Ontario, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008

Practice location Address checks out

1000 W 4th St Ste 375
Ontario, CA 91762-1811
Phone: (909) 684-2022
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X · Licence 05D1090838 (CA)

Record details

NPI number1073767620
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Martha Crisostomo — Owner · (909) 684-2022
Other names Ultimate Results
NPI enumeratedNovember 10, 2008
Last updated in NPPESJuly 31, 2009
Mailing address1000 W 4th St, Suite 375, Ontario, CA 91762-1811

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